6556506610009 has 8 divisors (see below), whose sum is σ = 6842195075520. Its totient is φ = 6270870057936.

The previous prime is 6556506610007. The next prime is 6556506610013. The reversal of 6556506610009 is 9000166056556.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6556506610009 - 2¹ = 6556506610007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6556506610007) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12720154 + ... + 13225555.

It is an arithmetic number, because the mean of its divisors is an integer number (855274384440).

Almost surely, 2^{6556506610009} is an apocalyptic number.

It is an amenable number.

6556506610009 is a deficient number, since it is larger than the sum of its proper divisors (285688465511).

6556506610009 is a wasteful number, since it uses less digits than its factorization.

6556506610009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25956719.

The product of its (nonzero) digits is 1458000, while the sum is 49.

The spelling of 6556506610009 in words is "six trillion, five hundred fifty-six billion, five hundred six million, six hundred ten thousand, nine".